if 0 in c

Reprint to: http://beikeit.com/post-495.html simple translation: This Linux official information mainly describes the external fragments (external fragmentation), internal fragments (internal Fragmentation) concept and the related situation, it

0:0:0:0:0:0:0:1 is the expression of IPv6, corresponding to IPv4 equivalent to 127.0.0.1, which is the nativeIf the project is deployed on a native Win7 system, access is accessed via localhost,This problem may occur when you get an IP address in

This document is translated from JavaScript ' s zerosJavaScript has both zeros:? 0 and +0. This post explains, why, and where it matters in practice.There are two "0" in JavaScript:-0 and +0. This article explains why, and points out the impact of

N queen's question Time Limit: 2000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 4933 accepted submission (s): 2252Problem description places n queens on the square board of N * n so that they do not attack

"# If 0/# if 1... # endif" function, 1. Let's talk about the role of "# if 0/# if 1... # endif" first. You have mentioned a little bit above, but you have not mentioned any key points. We know that the C standard does not provide single-line style

There are conditional compilation directives in the C language, which are common:#define Defining macros#undef to cancel a defined macro#if if the given condition is true, compile the following code#ifdef If the macro is already defined, compile the

1. Let's talk about the role of "# If 0/# If 1... # endif" first. You have mentioned a little bit above, but you have not mentioned any key points. We know that the C standard does not provide single-line style annotations such as "//" in C ++, but

http://blog.csdn.net/ssdsafsdsd/article/details/8234736In standard C and C + +, arrays with a length of 0 are forbidden. However, in GNU C, there is a very strange usage, that is, an array of length 0, such as array[0]; many people may find it

directory of this document First, arithmetic operators Second, assignment operator The increment operator and the self-decrement operator Iv. sizeof Five, comma operator Vi. Relational operators Seven, logical

When you comment out a large piece of code, it is better to use "# If 0" than to use, because the comments with "/**/" larger segments should prevent nested "/**/" in the commented-out code "/**/", this will cause the commented-out code area to be